Finding the Fourth Proportional to 898,948.50, 1,240,553.16 and 491,055.99
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Solution
The fourth proportional to 898,948.50, 1,240,553.16 and 491,055.99 is: 677,659.58
Step by Step Solution
- Step 1: Write the proportion equation
898,948.50 : 1,240,553.16 = 491,055.99 : x - Step 2: Convert to fraction form
898,948.50/1,240,553.16 = 491,055.99/x - Step 3: Cross multiply
898,948.50x = 1,240,553.16 × 491,055.99 - Step 4: Simplify right side
898,948.50x = 609,181,060,131.43 - Step 5: Solve for x
x = 609,181,060,131.43/898,948.50 - Step 6: Final answer
x = 677,659.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.